Home / 1,338,251.78-1,846,820.26-726,403

Finding the Fourth Proportional to 1,338,251.78, 1,846,820.26 and 726,403

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Solution

The fourth proportional to 1,338,251.78, 1,846,820.26 and 726,403 is: 1,002,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,251.78 : 1,846,820.26 = 726,403 : x
  2. Step 2: Convert to fraction form
    1,338,251.78/1,846,820.26 = 726,403/x
  3. Step 3: Cross multiply
    1,338,251.78x = 1,846,820.26 × 726,403
  4. Step 4: Simplify right side
    1,338,251.78x = 1,341,535,777,324.78
  5. Step 5: Solve for x
    x = 1,341,535,777,324.78/1,338,251.78
  6. Step 6: Final answer
    x = 1,002,453.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.